[TenTec] Correction

geoffrey mendelson geoffreymendelson at gmail.com
Tue Jul 5 22:02:35 PDT 2011

On Jul 6, 2011, at 7:52 AM, Keith Hamilton wrote:

> Actually I am trying to reconcile the differences between the center  
> frequency of the 500 Hz filter and the 250 Hz filter, both in the  
> 6.3 mHz PB IF. The center frequencies should be the same -( 6.299250  
> I think) regardless of the PBT control setting (11  or 1 o'clock) or  
> the 9 mHz filter in use (I was using the 2.4 hz filter in the 9mhz  
> IF at the time.) Since the center frequencies are not the same, (I  
> must make a frequency adjustment to obtain maximum signal strength)  
> I wanted to know if I can adjust the center frequency of my 250 hz  
> filter or is the filter just too old and drifted. I would also like  
> to know if others have experienced this discrepancy between two  
> filters installed in their radio. Is it common for the older Ten Tec  
> filters to go off frequency?
> Thanks!  Keith W8GX

Do you have an RTTY (as opposed to CW) filter?


Geoffrey S. Mendelson,  N3OWJ/4X1GM
Making your enemy reliant on software you support is the best revenge.

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